<template>
    <div>
        <!-- 面包屑导航 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home/welcome' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片 -->
        <el-card class="box-card">
            <!-- 搜索与添加 -->
            <el-row :gutter="20">
                <el-col :span="7">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUesrList" >
                        <el-button @click="getUesrList" slot="append" icon="el-icon-search"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="5">
                    <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
                </el-col>
            </el-row>

            <!-- 用户列表 -->
             <el-table :data="userlist" border stripe style="width:100%">
                 <el-table-column align="center" type="index" label="#" ></el-table-column>
                <el-table-column prop="username" label="姓名" width=""></el-table-column>
                <el-table-column prop="email" label="邮箱" width=""></el-table-column>
                <el-table-column prop="mobile" label="电话" width=""></el-table-column>
                <el-table-column prop="role_name" label="角色" width=""></el-table-column>
                <el-table-column label="状态" width="120px">
                    <template slot-scope="scope">
                        <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="180px">
                    <template slot-scope="scope">
                        <!-- 修改按钮 -->
                        <el-button @click="showeditdialog(scope.row.id)" type="primary" size="mini" icon="el-icon-edit"></el-button>
                        <!-- 删除按钮 -->
                        <el-button @click="removeUserById(scope.row.id)" type="danger" size="mini" icon="el-icon-delete"></el-button>
                        <!-- 分配角色按钮 -->
                        <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
                            <el-button type="warning" @click="showSetRole(scope.row)" size="mini" icon="el-icon-setting"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
             </el-table>
            <!-- 分页 -->
                <el-pagination
                    @size-change="handleSizeChange"
                    @current-change="handleCurrentChange"
                    :current-page="queryInfo.pagenum"
                    :page-sizes="[1, 2, 5, 10]"
                    :page-size="queryInfo.pagesize"
                    layout="total, sizes, prev, pager, next, jumper"
                    :total="total">
                </el-pagination>
        </el-card>
        <!-- 添加用户 -->
        <el-dialog
            title="添加用户" @close="addDialogclose" :visible.sync="addDialogVisible" width="50%">
            <!-- 主题内容 -->
            <el-form :model="addForm" :rules="addFormRules" ref="addFormref" label-width="70px">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addForm.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addForm.password"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="addForm.mobile"></el-input>
                </el-form-item>
            </el-form>

            <!-- 底部区域 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="adduser">确 定</el-button>
            </span>
        </el-dialog>

        <!-- 修改用户 -->
        <el-dialog
            title="修改用户" @close="editDialogclose" :visible.sync="editDialogVisible" width="50%">
            <!-- 主题内容 -->
            <el-form :model="editForm" :rules="editFormRules" ref="editFormref" label-width="70px">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="editForm.username" disabled ></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="editForm.mobile"></el-input>
                </el-form-item>
            </el-form>

            <!-- 底部区域 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="edituser">确 定</el-button>
            </span>
        </el-dialog>

        <!-- 分配角色 -->
        <el-dialog
            title="分配角色" @close="setRoleDialogClosed" :visible.sync="RoleDialogVisible" width="50%">
            <!-- 主题内容 -->
            <div>
                <p>当前用户：{{userInfo.username}}</p>
                <p>当前角色：{{userInfo.role_name}}</p>
                <p>
                    分配角色：
                    <el-select v-model="selectRoleId" placeholder="请选择">
                        <el-option v-for="item in rolesLsit" :key="item.id" :label="item.roleName" :value="item.id">
                        </el-option>
                    </el-select>
                </p>
            </div>
            <!-- 底部区域 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="RoleDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
            </span>
        </el-dialog>

    </div>
</template>

<script>
export default {
    data() {
        //验证邮箱规则
        var checkEmail=(rule,value,callback)=>{
            const regEmail = /^\w+@\w+(\.\w+)+$/
            if (regEmail.test(value)) {
                // 合法邮箱
                return callback()
            }
            callback(new Error('请输入合法邮箱'))
        }

        //验证手机号规则
        var checkMoile=(rule,value,callback)=>{
            const regMobile = /^1[34578]\d{9}$/
            if (regMobile.test(value)) {
                return callback()
            }
            // 返回一个错误提示
            callback(new Error('请输入合法的手机号码'))
        }

        return {
            //获取用户列表的参数
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:5
            },
            userlist:[],
            total:0,
            //控制添加用户对话框的显示隐藏
            addDialogVisible:false,
            //修改用户对话框
            editDialogVisible:false,
            //分配角色
            RoleDialogVisible:false,
            // 当前需要被分配角色的用户
            userInfo: {},
            // 所有角色数据列表
            rolesLsit: [],
            // 已选中的角色Id值
            selectRoleId: '',
            //添加用户的表单数据
            addForm:{
                username:'',
                password:'',
                email:'',
                mobile:''
            },
            //修改用户
            editForm:{
                id:'',
                username:'',
                email:'',
                mobile:''
            },
            //添加表单验证
            addFormRules:{
                username:[
                    { required:true,message:'请输入用户名',trigger:'blur' },
                    { min:3,max:10,message:'用户长度在3~10个字符直接',trigger:'blur' },
                ],
                password:[
                    { required:true,message:'请输入密码',trigger:'blur' },
                    { min:6,max:10,message:'用户长度在6~10个字符直接',trigger:'blur' },
                ],
                mobile:[
                    { required:true,message:'请输入手机号码',trigger:'blur' },
                    { validator:checkMoile,trigger:'blur' },
                ],
                email:[
                    { required:true,message:'请输入邮箱',trigger:'blur' },
                    { validator:checkEmail,trigger:'blur' },
                ]
            },
            //修改表单验证
            editFormRules:{
                mobile:[
                    { required:true,message:'请输入手机号码',trigger:'blur' },
                    { validator:checkMoile,trigger:'blur' },
                ],
                email:[
                    { required:true,message:'请输入邮箱',trigger:'blur' },
                    { validator:checkEmail,trigger:'blur' },
                ]
            }
        }
    },
    created(){
        this.getUesrList();
    },
    methods: {
        async getUesrList(){
            const {data:res}=await this.$http.get('users',{params:this.queryInfo});
            if(res.meta.status!==200) return this.$message.error("获取用户列表失败")
            this.userlist=res.data.users;
            this.total=res.data.total;
        },
        //监听 pagsiz 改变事件
        handleSizeChange(newsizi){
            this.queryInfo.pagesize=newsizi;
            this.getUesrList();
        },
        //监听 页码 改变事件
        handleCurrentChange(newpage){
            this.queryInfo.pagenum=newpage;
            this.getUesrList();
        },
        //监听 switch 开关状态的改变
        async userStateChanged(userinfo){
           const {data:res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
            if(res.meta.status!==200) {
                userinfo.mg_state!=userinfo.mg_state;
                return this.$message.error("更新用户状态失败");
            }
            this.$message.success("更新用户状态成功");
        },
        //监听添加用户对话框的关闭事件
        addDialogclose(){
            this.$refs.addFormref.resetFields();
        },
        //添加用户
        adduser(){
            this.$refs.addFormref.validate(async valid=>{
                if(!valid) return;
                const {data:res}= await this.$http.post("users",this.addForm);
                if(res.meta.status!==201) return this.$message.error("登录失败");
                this.getUesrList();
                this.addDialogVisible=false;
                this.$message.success('添加用户成功！')
            });
        },
        //修改用户
        async showeditdialog(id){
            const {data:res} = await this.$http.get('users/'+id)
            if(res.meta.status!==200) {
                return this.$message.error("查询用户信息失败");
            }
            this.editForm=res.data;
            this.editDialogVisible=true;
        },
        //关闭修改用户
        editDialogclose(){
            this.$refs.editFormref.resetFields();
        },
        //确定修改用户
        edituser(){
            this.$refs.editFormref.validate(async valid=>{
                if(!valid) return;
                const {data:res}= await this.$http.put(
                    'users/' + this.editForm.id,
                    {
                        email: this.editForm.email,
                        mobile: this.editForm.mobile
                    }
                );
                if(res.meta.status!==200) return this.$message.error("用户信息修改失败");

                this.getUesrList();
                this.editDialogVisible=false;
                this.$message.success('更新用户信息成功！')
            });
        },

        //删除用户
       async removeUserById(id){
           const confirmResult = await this.$confirm(
                '此操作将永久删除该用户, 是否继续?',
                '提示',
                {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
                }
            ).catch(err => err)
            // 点击确定 返回值为：confirm
            // 点击取消 返回值为： cancel
            if (confirmResult !== 'confirm') {
                return this.$message.info('已取消删除')
            }

           const {data:res}= await this.$http.delete(
                'users/' + id
            );
            console.log(res);
            if (res.meta.status !== 200) return this.$message.error('删除用户失败！')
            this.$message.success('删除用户成功！')
            this.getUesrList()
        },
        //分配角色
       async showSetRole(row){
            this.userInfo=row;
            const {data:res}=await this.$http.get('roles');
            if(res.meta.status !== 200) return this.$message.error('获取角色列表失败！')
            this.rolesLsit = res.data;
            this.RoleDialogVisible=true;
        },
        //保存分配角色
        async saveRoleInfo(){
            if(!this.selectRoleId){
                return this.$message.error('请选择要分配的角色')
            }
            const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectRoleId })
            if(res.meta.status !== 200) return this.$message.error('更新用户角色失败');
            this.$message.success('更新角色成功！')
            this.getUesrList()
            this.RoleDialogVisible = false
        },
        // 分配角色对话框关闭事件
        setRoleDialogClosed () {
        this.selectRoleId = ''
        this.userInfo = {}
        }
    },
}
</script>

<style lang="less" scoped>

</style>